GB2465491B - Method and apparatus for weak data bit sync in a positioning system - Google Patents
Method and apparatus for weak data bit sync in a positioning systemInfo
- Publication number
- GB2465491B GB2465491B GB0920521.2A GB0920521A GB2465491B GB 2465491 B GB2465491 B GB 2465491B GB 0920521 A GB0920521 A GB 0920521A GB 2465491 B GB2465491 B GB 2465491B
- Authority
- GB
- United Kingdom
- Prior art keywords
- positioning system
- data bit
- bit sync
- weak data
- weak
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
- G01S19/235—Calibration of receiver components
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/258—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/276,987 US8184047B1 (en) | 2008-11-24 | 2008-11-24 | Method and apparatus for weak data bit sync in a positioning system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0920521D0 GB0920521D0 (en) | 2010-01-06 |
GB2465491A GB2465491A (en) | 2010-05-26 |
GB2465491B true GB2465491B (en) | 2013-02-06 |
Family
ID=41565751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0920521.2A Expired - Fee Related GB2465491B (en) | 2008-11-24 | 2009-11-23 | Method and apparatus for weak data bit sync in a positioning system |
Country Status (5)
Country | Link |
---|---|
US (2) | US8184047B1 (en) |
CN (1) | CN101937089B (en) |
DE (1) | DE102009044630B4 (en) |
GB (1) | GB2465491B (en) |
NL (1) | NL2003860C2 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7924220B1 (en) * | 2008-11-24 | 2011-04-12 | Sirf Technology Holdings, Inc. | Method and apparatus for weak data frame sync in a positioning system |
US20120326926A1 (en) * | 2011-06-24 | 2012-12-27 | Mayflower Communications Company, Inc. | High sensitivity gps/gnss receiver |
CN104237912A (en) * | 2013-06-14 | 2014-12-24 | 凹凸电子(武汉)有限公司 | Navigation bit synchronization method and method for detecting navigation bit synchronization |
US9897701B2 (en) | 2013-10-08 | 2018-02-20 | Samsung Electronics Co., Ltd | Method for efficiently detecting impairments in a multi-constellation GNSS receiver |
CN105510938B (en) * | 2015-12-02 | 2018-02-06 | 南京航空航天大学 | A kind of compatible with GPS/BD dual system satellite navigation receiver coherent integration methods |
US10323943B2 (en) * | 2016-08-01 | 2019-06-18 | Movandi Corporation | Wireless receiver with tracking using location, heading, and motion sensors and adaptive power detection |
CN107026674B (en) * | 2017-03-31 | 2018-04-06 | 中国人民解放军国防科学技术大学 | Pattern matching method during a kind of jump of TH/DS CDMA navigation signals |
CN110673173B (en) * | 2019-09-16 | 2021-08-10 | 西安空间无线电技术研究所 | TOW analysis method of high-sensitivity navigation receiver |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050031045A1 (en) * | 2002-02-12 | 2005-02-10 | Mayor Michael A. | Methods and apparatus for synchronously combining signals from plural transmitters |
WO2009108915A2 (en) * | 2008-02-28 | 2009-09-03 | Magellan Systems Japan, Inc. | Method and apparatus for acquisition, tracking, and sub-microsecond time transfer using weak gps/gnss signals |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2900671B2 (en) * | 1991-11-29 | 1999-06-02 | ソニー株式会社 | GPS receiver |
US5446465A (en) * | 1993-06-18 | 1995-08-29 | Diefes; Debra L. | Satellite location and pointing system for use with global positioning system |
US6108317A (en) * | 1995-11-01 | 2000-08-22 | Stm Wireless, Inc. | Cyclic code phase multiple access for inbound satellite communications |
US6298073B1 (en) | 1998-06-26 | 2001-10-02 | Lefever Ronald Stanton | Method using elastic buffering for equalizing transmission delays in a non-earth-synchronous multiple satellite data transmission system |
US6643788B1 (en) | 1998-11-30 | 2003-11-04 | Raytheon Company | Method for detecting a number of consecutive valid data frames and advancing into a lock mode to monitor synchronization patterns within a synchronization window |
US6396953B1 (en) | 1999-02-23 | 2002-05-28 | Rockwell Collins, Inc. | Data pattern correlator |
US6295023B1 (en) * | 2000-01-21 | 2001-09-25 | Ericsson Inc. | Methods, mobile stations and systems for acquiring global positioning system timing information |
JP3418981B2 (en) * | 2000-02-16 | 2003-06-23 | 日本電気株式会社 | Spread spectrum communication synchronization acquisition circuit |
US6763241B2 (en) | 2000-04-14 | 2004-07-13 | Varitek Industries, Inc. | Data communications synchronization using GPS receiver |
US6292748B1 (en) | 2000-07-14 | 2001-09-18 | General Electric Company | Reduction of time error in GPS localization without a highly accurate clock |
US6771615B1 (en) | 2000-08-18 | 2004-08-03 | Hughes Electronics Corporation | Synchronization apparatus and method for a return link power control for satellite systems |
US7006790B2 (en) | 2001-05-30 | 2006-02-28 | Ericsson Inc. | Method and system for GPS bit-edge synchronization in the presence of burst-mode interference |
US6532251B1 (en) * | 2001-08-16 | 2003-03-11 | Motorola, Inc. | Data message bit synchronization and local time correction methods and architectures |
CN102540212B (en) * | 2003-04-25 | 2015-11-25 | 高通股份有限公司 | Obtain the system and method for signal acquisition assistance data |
JP3806425B2 (en) | 2003-12-01 | 2006-08-09 | マゼランシステムズジャパン株式会社 | Satellite positioning method and satellite positioning system |
US7671792B2 (en) | 2004-03-25 | 2010-03-02 | Raytheon Company | Global positioning receiver with system and method for parallel synchronization for reducing time to first navigation fix |
US7064709B1 (en) | 2005-03-17 | 2006-06-20 | Rf Micro Devices, Inc. | System and method for GPS navigation before signal bit synchronization |
TWI268357B (en) | 2005-09-13 | 2006-12-11 | Sunplus Technology Co Ltd | Synchronous method and system of data bits for global positioning system with a data buffer used to receive and store data bits of the satellite signal |
US7778311B2 (en) * | 2005-10-04 | 2010-08-17 | Sirf Technology Holdings, Inc. | Bit synchronization for weak navigational satellite signals |
US8121238B2 (en) * | 2006-06-30 | 2012-02-21 | Csr Technology Inc. | System and method for synchronizing digital bits in a data stream |
US20080013605A1 (en) | 2006-07-12 | 2008-01-17 | Royaltek Company Ltd. | Method of GPS bit synchronization |
US7535414B2 (en) | 2007-06-07 | 2009-05-19 | Sirf Technology Holdings, Inc. | Navigational positioning without timing information |
US20090021427A1 (en) | 2007-07-18 | 2009-01-22 | Tsai Chien-Liang | Receiver and related method for synchronizing data segments by comparing reference time data and time information carried by data segments |
US7924220B1 (en) | 2008-11-24 | 2011-04-12 | Sirf Technology Holdings, Inc. | Method and apparatus for weak data frame sync in a positioning system |
-
2008
- 2008-11-24 US US12/276,987 patent/US8184047B1/en active Active
-
2009
- 2009-11-23 GB GB0920521.2A patent/GB2465491B/en not_active Expired - Fee Related
- 2009-11-23 DE DE102009044630.3A patent/DE102009044630B4/en active Active
- 2009-11-24 NL NL2003860A patent/NL2003860C2/en not_active IP Right Cessation
- 2009-11-24 CN CN200910217180.8A patent/CN101937089B/en not_active Expired - Fee Related
-
2012
- 2012-05-22 US US13/478,077 patent/US8970431B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050031045A1 (en) * | 2002-02-12 | 2005-02-10 | Mayor Michael A. | Methods and apparatus for synchronously combining signals from plural transmitters |
WO2009108915A2 (en) * | 2008-02-28 | 2009-09-03 | Magellan Systems Japan, Inc. | Method and apparatus for acquisition, tracking, and sub-microsecond time transfer using weak gps/gnss signals |
Also Published As
Publication number | Publication date |
---|---|
DE102009044630A1 (en) | 2010-08-05 |
CN101937089B (en) | 2015-06-17 |
US8184047B1 (en) | 2012-05-22 |
DE102009044630B4 (en) | 2015-12-24 |
US8970431B2 (en) | 2015-03-03 |
GB2465491A (en) | 2010-05-26 |
NL2003860A (en) | 2010-05-26 |
NL2003860C2 (en) | 2011-03-01 |
US20120299771A1 (en) | 2012-11-29 |
GB0920521D0 (en) | 2010-01-06 |
CN101937089A (en) | 2011-01-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20140123 AND 20140129 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20211123 |